First things first. Have you signed up your interns yet for our Chicago or New York MarketsWiki Education World of Opportunity series? Today is the day. Go here to sign them up. We have added John Rapa, chief executive officer at Tellefsen and Company, as a speaker for our MarketsWiki Education World of Opportunity New York events. He joins Nasdaq president and COO Adena Friedman, veteran equity strategist and CNBC personality Kenny Polcari, Gary DeWaal, arguably the most entertaining derivatives lawyer on the planet, and an additional half dozen financial luminaries in a one-day, two-session event July 19 at the…